Bullfrog
You may be right about the articles all being Masonic(not being"on the square"myself.
But where is the Royal connection? Not all of them were in the craft.
oker
Hi Bullfrog
Arguably one could use a stone chisel to cut a straight line.A use of a ruler,in addition to it's normal use of measuring,is to make a straight line.
Am I "shoehorning"yet again?
Joker